adcf58c34a7901e0d17bdbf9dc78baaf8c6819d04a8f306f99055a1e66227005

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2023 12:01

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General

Target

1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe
Size

110KB
MD5

1b163e883f9e7bfc1d73c067bf5f93c0
SHA1

171d0f75373f6285defc0f9893d537ecb170c669
SHA256

adcf58c34a7901e0d17bdbf9dc78baaf8c6819d04a8f306f99055a1e66227005
SHA512

246fe4368d70339b023260c6e1b35108a0bd5e80edc05dac03562c5bf6136e4a04cb3026e89d91e4ae572aa0db9a85bb17d5e5bd550169945452ef451aa0ff2a
SSDEEP

1536:ELNIW39SaZTbFARlq7jC1OZstZu0TSVEdUJWTWd18fx:ELlbZTZX3BAtTSVEdUJWTWd18fx

Score

7^/10

persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
1488	guifx.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/8-0-0x0000000000770000-0x000000000078C000-memory.dmp	upx
behavioral2/files/0x00060000000231f2-3.dat	upx
behavioral2/memory/1488-4-0x0000000000300000-0x000000000031C000-memory.dmp	upx
behavioral2/files/0x00060000000231f2-5.dat	upx
behavioral2/memory/8-6-0x0000000000770000-0x000000000078C000-memory.dmp	upx
behavioral2/memory/1488-7-0x0000000000300000-0x000000000031C000-memory.dmp	upx
behavioral2/memory/8-8-0x0000000000770000-0x000000000078C000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run"	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 8 wrote to memory of 1488	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	82
PID 8 wrote to memory of 1488	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	82
PID 8 wrote to memory of 1488	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	82
PID 8 wrote to memory of 3372	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	95
PID 8 wrote to memory of 3372	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	95
PID 8 wrote to memory of 3372	8	1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe	95

C:\Users\Admin\AppData\Local\Temp\1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:8
- C:\ProgramData\Graphics\guifx.exe
  "C:\ProgramData\Graphics\guifx.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1488
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\1b163e883f9e7bfc1d73c067bf5f93c0_JC.exe" >> NUL
  2⤵
  PID:3372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
c6157ce2a64123ffe94e154f50272294

SHA1
f03bd825f20a981fd702ec9b7a4cc59c0b2a988d

SHA256
4a5f2968946a27788dd23f94c1df552e718ad1b24620907598c5e08846f58c83

SHA512
10bce9adbab78069978b96ce9ab2e61310691bc5a067d4ceb5483b2075ab8b7d30693f31685ff9a2485126027f745be9807d2aa3bc7ca650ead63b74f2eaed16

Download Submit
C:\ProgramData\Graphics\guifx.exe

Filesize
110KB

MD5
c6157ce2a64123ffe94e154f50272294

SHA1
f03bd825f20a981fd702ec9b7a4cc59c0b2a988d

SHA256
4a5f2968946a27788dd23f94c1df552e718ad1b24620907598c5e08846f58c83

SHA512
10bce9adbab78069978b96ce9ab2e61310691bc5a067d4ceb5483b2075ab8b7d30693f31685ff9a2485126027f745be9807d2aa3bc7ca650ead63b74f2eaed16

Download Submit
memory/8-0-0x0000000000770000-0x000000000078C000-memory.dmp

Filesize
112KB

Download
memory/8-6-0x0000000000770000-0x000000000078C000-memory.dmp

Filesize
112KB

Download
memory/8-8-0x0000000000770000-0x000000000078C000-memory.dmp

Filesize
112KB

Download
memory/1488-4-0x0000000000300000-0x000000000031C000-memory.dmp

Filesize
112KB

Download
memory/1488-7-0x0000000000300000-0x000000000031C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads